The trio of Dani King, Laura Trott and Joanna Rowsell hammered USA in world record time of 3:14.051 to secure a fourth British gold on the track.

Rowsell got the home favourites off to a blistering start on the first lap, and they never relinquished their advantage as they powered to victory by nearly six seconds to break their own world record for the sixth consecutive race.

Australia were pipped to bronze by Canada, who finished third in a time of 3:17.915, which was faster than the American's effort in the final.

Jason Kenny remains on course for victory in the men's sprint after cruising into the quarter-finals.
Kenny, who broke the Olympic record as he set the fastest time in qualifying, barely broke a sweat as he defeated South Africa's Bernard Esterhuizen in a time of 10.363.

The 2011 world champion, who was picked for the men's sprint ahead of 2008 gold medallist Sir Chris Hoy, will face Malaysia's Azizulhasni Awang in the last eight.

Meanwhile, Ed Clancy kept his hopes of a second medal alive as he sits in fourth place in the men's omnium. Clancy, who already has one Olympic gold in the men's team pursuit on Friday, is well placed at the halfway stage of the multi-discipline event.

After a blistering start, winning the 250m flying lap, Clancy slipped down the standings after finishing 11th in the 30km points race, but moved back up after a fifth place in the crowd-pleasing elimination race.

After enduring a tricky start to his Manchester United career, perhaps it is fair that Marcos Rojo celebrated so boisterously as he watched his first professional club Estudiantes beat fierce rivals Gimnasia